Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 72 by rounding each number to the nearest 10: ______
- Estimate 76 − 61 by rounding each number to the nearest 10: ______
- Estimate 67 − 61 by rounding each number to the nearest 10: ______
- Estimate 79 − 53 by rounding each number to the nearest 10: ______
- Estimate 59 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 + 66 by rounding each number to the nearest 10: ______
- Estimate 70 − 56 by rounding each number to the nearest 10: ______
- Estimate 52 − 72 by rounding each number to the nearest 10: ______
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 80 by rounding each number to the nearest 10: ______
- Estimate 82 − 30 by rounding each number to the nearest 10: ______
- Estimate 89 + 61 by rounding each number to the nearest 10: ______
- Estimate 54 − 74 by rounding each number to the nearest 10: ______
- Estimate 58 − 44 by rounding each number to the nearest 10: ______
- Estimate 78 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 − 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 56 by rounding each number to the nearest 10: ______
- Estimate 79 − 21 by rounding each number to the nearest 10: ______
- Estimate 34 − 40 by rounding each number to the nearest 10: ______